<template>
    <div>
    <el-carousel indicator-position="outside" :interval=interval type="card">
    <!-- 原地生成4张序列 -->
    <el-carousel-item v-for="item in 4" :key="item">
      <h3>{{ item }}</h3>
    </el-carousel-item>
  </el-carousel>
  <!-- <el-button type="primary">开始</el-button>
  <el-button type="success" @click="doStop">停止</el-button> -->
  </div>
</template>

<script>
export default {
    data() {
            return {
                interval: 3000,
            }
        },
    methods: {
      doStop: function () {
        this.interval = 5000;
        console.log(this.interval)
      }
    }
}
</script>

<style>
.el-carousel__item h3 {
    color: #475669;
    font-size: 18px;
    opacity: 0.75;
    line-height: 300px;
    margin: 0;
  }
  
  .el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
  }
  
  .el-carousel__item:nth-child(2n+1) {
    background-color: #d3dce6;
  }

</style>
